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CPU314IFM CHANGE BY CPU313C

Created by: vominhtan68 at: 4/19/2009 10:36 AM (16 Replies)

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4/19/2009 10:36 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	DEAR ALL !!! At present, i am using CPU314IFM for weight belt, but it has problems ( output analog error) i see in configuration hardware CPU314IFM, using Frequency Meter with parametter as : FREQUENCY METER - DB number :30 - Measuring Time :4ms COUNTER: - Instance DB DB Number :63 - Counting Inputs Up : Rising (positive) edge Down : Deativated and in the program they use SFB30 so i change it by CPU313C, i can not configaration harware it to similar as CPU 314IFM and which SFB to use in program. please show me to use hardware configuration CPU313C and SFB using this progam ? thank you eveyexpert!!! best regards. vominhtan
vominhtan68 Posts: 15 Rating: (0)
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4/20/2009 11:22 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Dear vominhtan68, Here is a manual about technology functions of S7-300 compact: http://support.automation.siemens.com/WW/view/en/26090032 http://support.automation.siemens.com/WW/view/en/12429336 At the right, you see 'Info', here you can download some examples. Some extra usefull links: http://support.automation.siemens.com/WW/view/en/13337010 http://support.automation.siemens.com/WW/view/en/18475558 http://support.automation.siemens.com/WW/view/en/18467424 Best regards, Wizard
	Last edited by: Wizard at: 4/20/2009 11:26 AM extra links.
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4/21/2009 6:45 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	DEAR PLATIN MEMBER Thank you for giving the maual and the sample. i will see and read, but i think that you show me hardware configuration by picture. i wll be understand eassily. could you help me ? best regards vominhtan
vominhtan68 Posts: 15 Rating: (0)
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4/21/2009 9:07 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Dear vominhtan68, Go to hardware configuration and insert the CPU313C. Then double click on 'Count'. Here you can configure the channels for Counting or Frequency measuring. Select channel 0 and select Operating mode 'Count continuosly' then you get a new tab 'Count'. Here you can give the right parameters. Select channel 1 and select Operating mode 'Frequency counting' now you get a new tab 'Frequency counting'. Here you give the right parameters. Best regards, Wizard

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4/25/2009 7:44 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	Hi PLATIN MEMBER!!! After i read manual that you show me, i have hardware configuration, and choose as following : -double click count: chanel :0 - Operating mode : frequency counting after that i connect the proximity sensor with address I 126.0 but i don't see any signal at MEAS_VAL (MD2). You could see my program with file attachment. i do so right or wrong. Could you show me , please? thank you very much !!! best regards vominhtan
vominhtan68 Posts: 15 Rating: (0)
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4/25/2009 7:59 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	vominhtan68 Hi PLATIN MEMBER!!! After i read manual that you show me, i have hardware configuration, and choose as following : -double click count: chanel :0 - Operating mode : frequency counting after that i connect the proximity sensor with address I 126.0 but i don't see any signal at MEAS_VAL (MD2). You could see my program with file attachment. i do so right or wrong. Could you show me , please? thank you very much !!! best regards vominhtan Attachment cpu_send.zip (586 Downloads)
vominhtan68 Posts: 15 Rating: (0)
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4/27/2009 10:01 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Dear vominhtan68, I have seen your programm. Pay attention: You have to use in OB1 a call to FC1 Because at this moment, your CPU will do nothing, because OB1 is empty Best regards, Wizard

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4/28/2009 7:24 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	DEAR WIZARD!!! Thank you for your help me, and you show me this error. sorry I ask you too much but i have some problems that i can not show ,as followings - In my program i call FC1 in OB1, you could see my program with my attachment. - I connect a proximity sensor in the gate I 126.0 to calculate pulses, but i don't see any signal - I am using the CPU as hardware configuration please show me to solve this problem, I have done many way but not successful, where is the place thet i make the mistake? Attachment cpu_send.zip (553 Downloads)
vominhtan68 Posts: 15 Rating: (0)
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4/28/2009 9:44 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Dear vominhtan68, Let's try to get is solved vominhtan68 - In my program i call FC1 in OB1, you could see my program with my attachment. This is ok. vominhtan68 - I connect a proximity sensor in the gate I 126.0 to calculate pulses, but i don't see any signal You should connect sensor to I 124.0 and I124.1 is direction of count. (On connector X2, the mmost right one) vominhtan68 - I am using the CPU as hardware configuration please show me to solve this problem, I have done many way but not successful, where is the place thet i make the mistake? When you connect sensor to the right Input. You have to open the SW_gate. It is a parameter of FB48. Set this one to True. Best regards, Wizard

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4/29/2009 7:31 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	Dear Wizard !!! thank you for your help. I will try to do following your manual. best regards vo minh tan
vominhtan68 Posts: 15 Rating: (0)
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5/5/2009 7:26 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	Dear Wizard !!! AfterI have done following your manual.I have seenoutput signal in DB48.DBD18 and DB48.DBD14with high speed at 50HZ of Inverter. When at low speed I can't see any signal at DB48.DBD14 (MEAS-VAL). you could see hardware configuration that i have attachment file couldi please ask you some question? with the parameter in hardware is possible or not ?Have i adjust parameter in hardware configuration ? intergration time :100ms low speed : 0MHZ high speed : 30000000 MHZ max couting, frequency : 30KHZ could you show me to solve this problem? Attachment cpu_313c.zip (486 Downloads)
vominhtan68 Posts: 15 Rating: (0)
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5/5/2009 7:31 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	vominhtan68 Dear Wizard !!! AfterI have done following your manual.I have seenoutput signal in DB48.DBD18 and DB48.DBD14with high speed at 50HZ of Inverter. When at low speed I can't see any signal at DB48.DBD14 (MEAS-VAL). you could see hardware configuration that i have attachment file couldi please ask you some question? with the parameter in hardware is possible or not ?Have i adjust parameter in hardware configuration ? intergration time :100ms low speed : 0MHZ high speed : 30000000 MHZ max couting, frequency : 30KHZ could you show me to solve this problem? Attachment cpu_313c.zip (498 Downloads)
vominhtan68 Posts: 15 Rating: (0)
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5/5/2009 9:16 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Dear vominhtan68, Perhaps you'll have to change the integration time. When there is no rising edge during the integration time, it will result in value 0. So perhaps you should change it into 1000 ms or higher. Best regards, Wizard

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5/6/2009 7:05 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	DEAR WIZARD!!! Thank you for your help!, it is too inconvenient to ask you too much, I have done following as you show me: iset parameterintergater time :10000ms that idon't see any signal at DB148.DBD18 (MEAS-VAL) Maybethe wight belt run slowly, it is'nt enough pulse to supply for PLC313C ? maybe i will doa plate with many hole in it you see me to do that ,don't you? or you hava the best way to show me ? i am very embarrassed Best regards!!!!! vominhtan
vominhtan68 Posts: 15 Rating: (0)
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5/7/2009 8:46 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Dear vominhtan68, Well perhaps there are not enough positive edges in 10 sec. Perhaps you can see what the difference is between two pulses. You can try to generate more pulses. Best regards, Wizard

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5/24/2009 9:30 AM	Rate (0)
vominhtan68 Posts: 15 Rating: (0)	DEAR WIZARD!!! How are you, today? thank you for your helping, i have to install encoder 360Pulses/ rpm and i have seen the output signal. i have finished and adjust my weight belt system, it is very exactly best regards vo minh tan
vominhtan68 Posts: 15 Rating: (0)
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5/26/2009 8:51 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	vominhtan68 DEAR WIZARD!!! How are you, today? I'm fine thank you. I hope you also have a nice day. vominhtan68 thank you for your helping, i have to install encoder 360Pulses/ rpm and i have seen the output signal. i have finished and adjust my weight belt system, it is very exactly Great it's working now. Best regards, Wizard

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